Appin Group (original) (raw)

The Appin Group is a thick sequence of metamorphosed Neoproterozoic sedimentary rocks that outcrop across the Central Highlands of Scotland, east of the Great Glen. It forms a part of the Dalradian Supergroup. It is divided into three subgroups each consisting of multiple named formations. In stratigraphic order i.e. youngest at the top, these are: Blair Atholl Subgroup Islay Limestone FormationMullach Dubh Phyllites FormationLismore Limestone FormationCuil Bay Slates Formation Ballachulish Subgroup Lochaber Subgroup